Light-aging-resistant dimmable polymer disperse dye liquid crystal sunscreen glass
Ship body supporting structure of double-layer train trestle
Power distribution monitoring method and device based on electric appliance box
Fireproof door structure capable of being mounted in high-stress area of ship structure
Mixed supporting system for steel structure integral lifting construction
Auxiliary mechanism for marine environment monitoring and use method thereof
Wheel geometric parameter detection method and device and computer readable storage medium
Charging station charging parking space occupation stopping method and system
Ship lock gate anti-collision device and anti-collision method
Start-stop control system of electric hydraulic excavator
Building buried steel shell and construction method thereof